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3 dB Quadrature (90 degree) Hybrids

An RF/microwave 3-dB 90 degree coupler is also called a Quadrature (or Quad) Hybrid. It is extremely useful for eliminating reflections, combining amplifiers, for creating I/Q mixers, image reject mixers, and many other applications. Marki Quadrature Hybrids offer excellent phase and amplitude balance across a very broad bandwidth. Additionally the QH-0516 offers a layout with parallel outputs.



For information see the Microwave Power Divider and Coupler Primer .




3 dB Quadrature (90 degree) Hybrids

Typical Performance @ +25°C